Under natural conditions, listeners use both auditory and visual speech cues to extract meaning from speech signals produced by different talkers. However, traditional clinical tests of spoken word recognition routinely employ isolated words or sentences produced by a single talker in an auditory-only presentation format. We have developed new theoretically-motivated tests of audiovisual sentence recognition. Both the Multimodal Lexical Sentence Test for Adults™ (MLST-A™) The Multimodal Lexical Sentence Test for Children™ (MLST-C™) contain sentences with key words that are independently controlled for the lexical characteristics of word frequency (i.e., how often a word occurs in the language) and lexical density (i.e., the number of phonemically similar words, or neighbors, to the target word). To incorporate the kind of variability that listeners encounter in the real world, the sentences were drawn from stimuli produced by five male and five female talkers. The tests can be administered in a visual-only (V), auditory-only (A) or auditory-plus-visual (AV) presentation format. This presentation will describe test development and the psychometric properties of the tests including list equivalency, test-retest reliability and validity. Performance data will be presented for three different groups of adult and child participants: persons with normal hearing, persons with hearing loss who use cochlear implants, and persons with hearing loss who use a hearing aid. The clinical availability of this testing using the Madsen Astera2 by GN Otometrics will be discussed.
Course created on August 25, 2014
- Participants will be able to discuss new tests of audiovisual speech understanding, including their psychometric properties.
- Participants will be able to describe the importance of visual speech cues to spoken word recognition.
- Participants will be able to discuss the effects of residual hearing and sensory aid use on auditory-only and auditory-visual speech perception.
|0-5 Minutes||Introduction to Evaluating Audiovisual Speech Perception in Adults and Children|
|5-20 Minutes||Decribe test development and the psychometric properties of the tests including list equivalency, test-retest reliability and valdity.|
|20-35 Minutes||Performance data will be presented for three different groups of adult and child participants: persons with normal hearing, persons with hearing loss who use cochlear implants, and persons with hearing loss who use a hearing aid.|
|35-50 Minutes||Discuss clinical use of audiovisual speech perception using the Madsen Astera2 by Otometrics.|
|50-60 Minutes||Conclusion including question and answers.|
Karen Kirk, PhD
Head of Speech and Hearing Sciences, University of Illinois at Urbana-Champaign
Karen Iler Kirk, PhD is Head of Speech and Hearing Science at the University of Illinois at Urbana-Champaign. For more than 20 years, Dr. Kirk has been a member of multidisciplinary teams investigating long-term speech and language outcomes in pediatric cochlear implant recipients. Her current research examines lexical and talker effects on word recognition in audiovisual presentation formats. This work is translational in nature, with the goal of developing new theoretically motivated, multimodal tests of spoken word recognition for adults and children. Dr. Kirk’s research is funded by the National Institutes of Health.
Director of Commercial and Education Development
Kathleen Hill, Au.D., is the Director of Commercial and Education Development at Otometrics. She is responsible for overseeing the education and training program for Otometrics employees, distributors and business partners.
Dr. Hill joined Otometrics from Advocate Illinois Masonic Medical Center in Chicago, where she worked as an audiologist. Prior to that, she was the audiology manager at Children’s Memorial Hospital (now the Ann & Robert H. Lurie Children’s Hospital), also in Chicago. Dr. Hill relocated to Chicago from St. Louis, where she was the audiology supervisor at Cardinal Glennon Children’s Hospital. She has been a program professor at Nova Southeastern University in Fort Lauderdale, Florida; she has also been in private practice.
Dr. Hill earned her bachelor of science degree in communication disorders/deaf education from the Texas Woman’s University and her doctor of audiology degree from Central Michigan University.
Kathleen Hill: Financial: Kathleen Hill is employed by GN Otometrics. Non-financial: Kathleen Hill has no non-financial relationships to disclose.
Sponsor Disclosure: This Course is presented by Otometrics / Audiology Systems in partnership with AudiologyOnline.
Content Disclosure: This course discusses the development and clinical use of the Multimodal Lexical Sentence Test for Adults™ (MLST-A™) and The Multimodal Lexical Sentence Test for Children™ (MLST-C™). It also discusses the clinical availability of this testing using the Madsen Astera2 by GN Otometrics.
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